Drugs, both legal and illegal, can remain in a user's system long after he or she has consumed them. The type of the sample analyzed makes a difference in the accuracy and reliability of any attempt to link the presence of a chemical or controlled substance in a person's body with impairment. A hair analysis will be the least reliable in connecting use and impairment, urinalysis is more reliable than hair analysis, and blood analysis is the most reliable method. This is because substances are in and out of the blood stream relatively quickly, longer in urine, and still longer in hair.

A breath alcohol level over the legal limit doesn't mean you will automatically get convicted of DUI at trial. There are many defenses to the breath testing machine. One such defense is the 'absorption/elimination' defense. It is discussed here.

With the help of an aggressive Florida DUI lawyer, you can get the help you need in order to fight your criminal charge and protect your freedom and future. My law firm has been defending individuals faced with DUI charges for years. I know exactly how to approach a case in order to protect your best interests. Because these charges are serious, I am determined to fight for the best possible result.